<template>
  <section class="todoapp">
    <TodoHeader @add="handleAdd"></TodoHeader>
    <!-- This section should be hidden by default and shown when there are todos -->
    <TodoMain :list="list" @del="handleDel"></TodoMain>
    <!-- This footer should be hidden by default and shown when there are todos -->
    <TodoFooter></TodoFooter>
  </section>
</template>

<script>
import TodoHeader from '@/components/TodoHeader.vue'
import TodoMain from './components/TodoMain.vue'
import TodoFooter from './components/TodoFooter.vue'
export default {
  // 注册组件
  components: { TodoHeader, TodoMain, TodoFooter },
  // 定义数据
  data () {
    return {
      list: [
        { id: 12, name: '吃饭', isDone: false },
        { id: 14, name: '听歌', isDone: true },
        { id: 23, name: '洗澡', isDone: true },
        { id: 34, name: '睡觉', isDone: false },
        { id: 35, name: '游戏', isDone: false },
      ]
    }
  },
  // 定义方法
  methods: {
    handleDel (id) {
      // console.log(id)
      this.list = this.list.filter(item => item.id != id)
    },
    handleAdd (todoname) {
      // console.log(todoname)
      this.list.unshift({ 
        id: Date.now(), 
        name: todoname, 
        isDone: false 
      })
    }
  }
}
</script>

<style></style>
